Semiconductor device having CR oscillation circuit and reset cir

Details Semiconductor device having CR oscillation circuit and reset cir Semiconductor device having CR oscillation circuit and reset cir

1995-11-29

1997-03-25

Mis, David

Oscillators

Relaxation oscillators

331 64, 331108C, 331111, 327143, H03B 524, H03K 720, H03K 1730

Patent

active

056148720

ABSTRACT:
In a semiconductor device having a CR oscillation circuit and a reset circuit, the semiconductor device includes a common terminal for constituting the CR oscillation circuit and the reset circuit. A voltage level at which the device falls into a reset state is lower than a low level voltage of an oscillation waveform and the device does not falls into the reset state during oscillation. As a result, the number of terminals of the device can be decreased to permit a larger number of functions to be included in a package having an equal number of pins, and the number of components externally equipped can be decreased to reduce expense of the components and management therefor.

REFERENCES:
patent: 4742315 (1988-05-01), Schreilechner
patent: 5369377 (1994-11-01), Beahamida

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